With cameras down their throats, metal singers show how they produce growls, screams, and squeals without damaging their vocal tissues. Vocalist Mark Garrett (center) with fellow members of the ...

Health and Human Services Secretary Robert F. Kennedy Jr. has attracted a lot of attention for his raspy voice, which results from a neurological voice disorder called spasmodic dysphonia.

Shape matters as well as size in the great range of male frog show-off equipment for competitive seductive serenades.